Home / 204,019.80-281,546.25-112,141.20

Finding the Fourth Proportional to 204,019.80, 281,546.25 and 112,141.20

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Solution

The fourth proportional to 204,019.80, 281,546.25 and 112,141.20 is: 154,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.80 : 281,546.25 = 112,141.20 : x
  2. Step 2: Convert to fraction form
    204,019.80/281,546.25 = 112,141.20/x
  3. Step 3: Cross multiply
    204,019.80x = 281,546.25 × 112,141.20
  4. Step 4: Simplify right side
    204,019.80x = 31,572,934,330.50
  5. Step 5: Solve for x
    x = 31,572,934,330.50/204,019.80
  6. Step 6: Final answer
    x = 154,754.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.